Sulphides
By admin • Mar 17th, 2008 • Category: UncategorizedSULPHIDES AND THIOSULPHATES
HYDROGEN SULPHIDE, H2S
It is a colourless, gaseous sulphide and has a characteristic smell of rotten eggs. Other characteristics are
Relative density 1.54
It is slightly heavier than air
Melting point -85.5OC
Boiling point -60.7OC
Moderately soluble in water
It is toxic and causes headaches when inhaled.
PREPARATION
In the laboratory, H2S is usually […]
